3D modelling of carbon nanotubes and liquid crystal based nano-photonic device

Kanghee Won; Ranjith Rajasekharan; Haider Butt; Qing Dai; Timothy D. Wilkinson

doi:10.1117/12.860412

24 August 2010 3D modelling of carbon nanotubes and liquid crystal based nano-photonic device

Kanghee Won, Ranjith Rajasekharan, Haider Butt, Qing Dai, Timothy D. Wilkinson

Author Affiliations +

Proceedings Volume 7761, Carbon Nanotubes, Graphene, and Associated Devices III; 77610C (2010) https://doi.org/10.1117/12.860412
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

In this study, we present electric field (E-field) modelling and experiment of arrays of vertically grown carbon nanotubes as three dimensional electrode structures, in order to address liquid crystal molecules in a switchable nano-photonic device. The electric field spawned by the nanotube electrodes is used to align the liquid crystal molecules to generate a gradient refractive index profile across the device. It was observed that multiple nanotube groups generated wide and symmetrical electric fields compared to other geometries. We have utilized nano-photonic devices based on the simulation results and compared them with experimentally obtained electro-optic characteristics. These devices have many applications in voltage reconfigurable micro-optical systems.

Citation Download Citation

Kanghee Won, Ranjith Rajasekharan, Haider Butt, Qing Dai, and Timothy D. Wilkinson "3D modelling of carbon nanotubes and liquid crystal based nano-photonic device", Proc. SPIE 7761, Carbon Nanotubes, Graphene, and Associated Devices III, 77610C (24 August 2010); https://doi.org/10.1117/12.860412

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